Item Type: Video Intercom Doorbell Material: ABS, Acrylic Gross Weight: 1208g / 42.6oz Power Input: AC 100V-240V 50Hz 60Hz Product Size: Indoor unit: Approx.22.5 x 12.8 x 2.3cm / 8.9 x 5.0 x 0.9in, outdoor unit: Approx.15.5 x 10cm / 6.1 x 3.9in Usage: Home Resolution: 800 x 480 Camera: 1/4in CMOS Camera Lens: 3.6mm Camera View: 92 degrees Call Duration: 120 seconds Monitoring Duration: 60 seconds Power Consumption: static < 0.5W, call < 10W 1LCD Display: This smart electronic doorbell uses a TFT LCD display, which has no radiation, low power consumption and high definition. 2Night Vision Infrared Camera: This video doorbell has infrared night vision camera, cameras can be high definition, monitoring the outside of the door. 316 Bells: This video intercom doorbell has 16 bells with adjustable volume, brightness and contrast, which can be adjusted according to needs and preferences. 4Touch Button: This doorbell adopts touch button design, ultra thin design indoor unit, fashionable and luxurious, beautiful and practical. 5Multifunctional: Monitor, intercom, unlocking, wireless control, password unlocking, electronic lock control function, silent indoor hands free intercom function, monitor to monitor dialogue. Compatible with most electronic locks with delayed unlock function.1 x Outdoor Unit 1 x Indoor Unit 5 x Colored Wire 1 x Power Supply 8 x Green Expansion Tube 1 x Black Fitting 10 x Screw 1 x White Wire 1 x Manual